Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2001 Mercedes Benz ML430FACTORY OEM SERVICE PROCEDURE
DTC Description (ETC Module Problem)
- Fault Memory & Actuation Of MIL - MIL is turned on after 2 consecutive driving cycles with fault.
- Frequency Of Testing - Continuous.
- Checked Signal Or Status - Fault in ETC module. Possible failures are Controller Area Network (CAN), inadmissible variant coding or internal memory (RAM, ROM, EEPROM).
NOTE:
Faults are recognized by the Electronic Transmission Control (ETC) module and sent to the ME-SFI control module via the Controller Area Network (CAN) data bus. The ME-SFI control module carries out fault memory and actuation of Malfunction Indicator Light (MIL). Also read out ETC fault memory, fault codes 56-65.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.